Description:

[Vehicle Fitment]: Compatible with GMC Canyon 2007-2012; Compatible with Chevrolet Colorado 2007-2012; Compatible with Hummer H3 2007-2010, H3T 2009-2010---L5 3.7L. [Reference Number]: UF497, 12596547, 12496574, 12612369, 12629472, H6T15271ZC, 8125965470, 5019, LTR5GP. [Iridium spark plug]: Iridium is a type of refined alloy which is highly suitable to be used as the materials of the central electrode in a spark plug. It extends the life of the spark plug nearly threefold, ensures a more stable idle speed of the engine, and delivers a super performance to the engine with improved fuel efficiency, reduced emissions and faster starting up..